Home / 108,875,998.80-163,313,998.20-108,120,171.60

Finding the Fourth Proportional to 108,875,998.80, 163,313,998.20 and 108,120,171.60

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Solution

The fourth proportional to 108,875,998.80, 163,313,998.20 and 108,120,171.60 is: 162,180,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875,998.80 : 163,313,998.20 = 108,120,171.60 : x
  2. Step 2: Convert to fraction form
    108,875,998.80/163,313,998.20 = 108,120,171.60/x
  3. Step 3: Cross multiply
    108,875,998.80x = 163,313,998.20 × 108,120,171.60
  4. Step 4: Simplify right side
    108,875,998.80x = 17,657,537,510,066,088
  5. Step 5: Solve for x
    x = 17,657,537,510,066,088/108,875,998.80
  6. Step 6: Final answer
    x = 162,180,257.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.